Em 4/4/2011 10:09, Olin Lathrop escreveu:
> Isaac Marino Bavaresco wrote:
>> This may not be important at low RPM, but at higher RPM, the faster
>> the combustion the most efficiency you get.
>> If the ignition takes too long, the pressure is not at the maximum
>> when
>> it would be more effective, that is, in the first 90 degrees of the
>> down-stroke.
> If that's the only reason, why can't you just advance the timing to get t=
he
> same effect?

Perhaps because you may end applying power against the engine rotation
and generate a knock.
There is a safe maximum advance limit.

Isaac

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